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Biology final Study Guide > Chapter 3 > Flashcards

Chapter 3 Flashcards

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AP® Biology flashcards Biology 101 flashcards
0
Q

Prokaryotes

A

Does not have a nucleus

No membrane bound organelles

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1
Q

cell theory

A

All organisms are made of cells
All cells are produced by other living things
The cell is the most basic unit of life

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2
Q

Eukaryotes

A

Has a nucleus

Has membrane bound organelles

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3
Q

What plant cells have that that animals don’t

A

Cell wall
Chloroplast
Vacuoles

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4
Q

Mitochondria

A

Supplies energy to the cell

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5
Q

Smooth ER

A

Thin folded membranes with no chromosomes

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6
Q

Vacuole

A

Fluid filled sac used for storage or materials needed by the cell

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7
Q

Golgi apparatus

A

Processes, sorts, and delivers proteins

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8
Q

Cell membrane

A

Separates cell from external environment.

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9
Q

Rough ER

A

Folded membranes covered in ribosomes

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10
Q

Nucleolus

A

Where organelles essential for making proteins area assembled

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11
Q

Nucleus

A

StoRes DNA

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12
Q

Vesicle

A

Holds and transports materials from place to place

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13
Q

Cytoskeleton

A

A network of proteins that changes to meet the needs of the cell

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14
Q

Chloroplast

A

Conducts photosyntheis for the cell

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15
Q

Central vacuole

A

Fluid filled sad that supports the cell.

16
Q

Cell wall

A

Provides rigid support

17
Q

Ribosome

A

Links amino acids to make proteins

18
Q

Centrosome

A

Produces microtubles

19
Q

Cell membrane structure

A

A double layer of phospholipids intertwined with proteins, a carbohydrate chain, a protein channel, cholesterol, and cytoskeleton proteins

20
Q

Selectively permeable

A

Allows some, but not all materials to cross

21
Q

Concentration gradient

A

Th difference in the concentration of substance from one location to another

22
Q

Active transport

A

Drives a molecule across a membrane from a region of higher concentration to lower

23
Q

Passive transport

A

Movement of molecules across a membrane without using energy

24
Q

Simple diffusion

A

Moves molecules from an area of higher concentration to lower

25
Q

Facilitated diffusion

A

Moves molecules from high and lower concentration but uses protein carrier molecules

26
Q

Endocytosis

A

Endocytosis I he process of taking liquids and engulfing them into membrane

27
Q

Exocytosis

A

The realese of a substance out of a cell by fusing a vesicle to the membrane

28
Q

Osmosis

A

When water molecules move across a semipermeable membrane

29
Q

Hypertonic

A

If a solution has higher concentration of dissolved particles in a cell

30
Q

Hypotonic

A

Has a lower concentration of dissolved particles than a cell

Biology final Study Guide (7 decks)

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